As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) INVSTIGATION OF A FUEL LEAK IN THE NR1 ENGINE PYLON RESULTED IN THE REPLACEMENT OF THE WING TO PYLON FUEL PIPE ELBOW. IT WAS FOUND TO BE PITTED ON THE INSIDE BORE IN THE AREA WHERE THE FUEL PIPE O-TING SEATS IN THE ELBOW AND IS PRONE TO MINOR ACCUMULATION OF CONTAMINANTS.